Fluoride Fluorine Francium Copper
Erbium Ether Ethanol Europium
Copper Chromium Caesium Cerium
Silver Dysprosium Antimony Gold
Gold Actinium Americium Aluminium
Curium Caesium Copper Cerium
Silver Fluoride Francium Fluorine
Cobalt Carbon Cadmium Curium
Chromium Caesium Curium Cerium
Erbium Uranium Ethanol Europium